Horses, slaves, and so forth, are non-fungible things, because they differ individually in value and cannot be exchanged indifferently one for another.

He has posters of his favorite band, sports teams and holiday resorts up.

Many a salesman is told that the opposition has underquoted him. To the live-wire salesman this is no signal of defeat. If he conducts a showdown then and there, as likely as not he will find that he has not really been underquoted if value is considered.

He stood up on the step; and then they both swerved, ducking quickly as something ripped up the air between them, flicked a stone from the parados, and sang, like the vibration of a tense wire, into the air behind them.